/*
 *  Copyright (C) 2020 Temporal Technologies, Inc. All Rights Reserved.
 *
 *  Copyright 2012-2016 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 *  Modifications copyright (C) 2017 Uber Technologies, Inc.
 *
 *  Licensed under the Apache License, Version 2.0 (the "License"). You may not
 *  use this file except in compliance with the License. A copy of the License is
 *  located at
 *
 *  http://aws.amazon.com/apache2.0
 *
 *  or in the "license" file accompanying this file. This file is distributed on
 *  an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 *  express or implied. See the License for the specific language governing
 *  permissions and limitations under the License.
 */

package io.temporal.internal.common;

import io.temporal.api.common.v1.SearchAttributes;
import io.temporal.common.converter.DataConverter;

public class SearchAttributesUtil {
  private static final DataConverter jsonConverter = DataConverter.getDefaultInstance();

  public static <T> T getValueFromSearchAttributes(
      SearchAttributes searchAttributes, String key, Class<T> classType) {
    if (searchAttributes == null || key == null || key.isEmpty()) {
      return null;
    }
    return jsonConverter.fromPayload(
        searchAttributes.getIndexedFieldsOrThrow(key), classType, classType);
  }
}
